Toronto Blue Jays vs Seattle Mariners Prediction, 10/17/2025 MLB Picks, Best Bets & Odds

Game: Toronto Blue Jays vs Seattle Mariners

Date: Friday, October 17, 2025

Location: T-Mobile Park in Seattle, WA

TV: FS1

Odds/Point Spread: Toronto (+110) Seattle (-120)

The Seattle Mariners (90-72) host the Toronto Blue Jays (94-68) at T-Mobile Park on Friday in Game 5 of the ALCS. The line on this matchup has Toronto at +110 and Seattle opens at -120. The betting total is set at 7.5. The expected starting pitchers will be Kevin Gausman and Bryan Woo.

As a squad, the Toronto Blue Jays are knocking in 4.9 runs per contest, which ranks them 4th in baseball. They have notched a total of 798 runs scored and have an OBP of .333. The Blue Jays have accrued 294 doubles as a team and have knocked 191 baseballs out of the park. They have 771 runs batted in in addition to 1,461 hits so far this year, and their average at the plate is at .265. Toronto has a slugging percentage of .427 and have been called out on strikes 1,099 times, while being walked on 520 occasions.

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They have a strikeout to walk ratio of 2.77 and the pitching staff has recorded a WHIP of 1.27. Blue Jays pitchers have relinquished 209 home runs and 721 runs (19th in baseball). Toronto has given up 1,313 base hits (8.2 per 9 innings) and also 668 earned runs. The Blue Jays have a team earned run average of 4.18 this season (19th in MLB), and the staff has rung up 1,430 batters. They have walked 517 opposing hitters and their FIP is 4.27 as a unit so far this season.

Blue Jays relief pitchers have come into the game with runners on base 178 times in addition to having 156 appearances in high leverage situations. The relief pitchers have notched 96 holds for the year (10th in the league). The Blue Jays bullpen have accumulated a save percentage of 64.6% and have come into the game in 168 save situations. They have accumulated 42 saves this year and have blown 23 of their 65 chances to get a save. The relievers have inherited 254 base runners on the year with 27.6% of them earned a run for their team. The Blue Jays have sent 570 relief pitchers to the mound on the season.

The Blue Jays have converted 70.0% of baseballs in play into outs out of their 12,942 innings, which has them sitting 14th in professional baseball. The Toronto Blue Jays have notched a total of 4,314 putouts so far this season, as well as 1,272 assists and 86 errors. Their fielding percentage is at .985 which ranks 18th in the majors, and they have turned 118 double plays.

Gausman has taken the ball for 1,911 innings and has earned 1,954 K's in his career. His earned run average is 3.81 (810 earned runs allowed) and he has a career WHIP of 1.240. He has given up 1,835 base hits (8.6 hits per 9 innings) and has had 535 free passes. Gausman (112-113 win-loss mark in his career) sits with a FIP of 3.76 while he has gone up against 7,986 batters during his time in the major leagues.

Seattle has 238 home runs for the season to go along with 734 RBIs. They have put up 234 two-baggers, while walking 544 times as well as recording 766 runs. The Seattle Mariners have a team on-base percentage of .320 in addition to a team batting average of .244 this year. The Mariners have a team SLG% of .420 and they are earning 4.73 runs per game (10th in the league). They have struck out on 1,446 occasions (6th in baseball) and have accounted for 1,345 hits.

The Mariners have a team WHIP of 1.221 in addition to having a FIP of 3.98 as a pitching staff on the year. They rank 15th in MLB as a staff in total hits allowed with 1,331. The Seattle pitching staff have conceded 694 runs on the year while holding an ERA of 3.87 (629 earned runs relinquished). Their K/BB ratio sits at 8.80 (1,426 strikeouts vs 454 free passes). They have conceded 192 home runs and they relinquish 4.27 runs per 9 innings (13th in MLB).

Seattle has had relief pitchers step onto the mound in 69 save chances and they have earned 43 saves. They rank 19th in the league holding a save rate of 62.3%, and they have dispatched 550 relievers to the hill on the year. Their relievers have taken the field 216 times in high leverage situations and on 132 occasions with runners on. Seattle bullpen pitchers hold an inherited score percentage of 25.2% out of 147 inherited base runners. With 159 save situations, the Mariners have earned 90 holds and also 26 blown saves.

The Seattle Mariners have turned 118 double plays and have a fielding percentage of .988 (7th in pro baseball). The Mariners have accrued 1,355 assists, 69 errors and have 4,388 putouts for the season. In their 13,164 innings on the diamond, the Mariners are sitting with a defensive efficiency of 70.3% (12th in the majors).

So far in his MLB career, Woo has conceded 308 hits and he has 392 strikeouts in 395 innings. He has surrendered a total of 141 earned runs while holding a WHIP of 0.982 and a FIP of 3.2. He has a K/BB ratio of 4.90 and he has faced 1,574 batters during his career. Woo (28-15 career record) has earned a 3.21 ERA while allowing 7.0 hits per 9 innings.

Who will win tonight's MLB game against the spread or moneyline?

Tony Sink's Pick: Take Toronto (+110)

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